US5220624A - Apparatus for reading images and method for enhancing the outlines of shapes - Google Patents
Apparatus for reading images and method for enhancing the outlines of shapes Download PDFInfo
- Publication number
- US5220624A US5220624A US07/673,653 US67365391A US5220624A US 5220624 A US5220624 A US 5220624A US 67365391 A US67365391 A US 67365391A US 5220624 A US5220624 A US 5220624A
- Authority
- US
- United States
- Prior art keywords
- signal
- value
- sharp
- enhancement
- image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000002708 enhancing effect Effects 0.000 title claims abstract description 11
- 238000012935 Averaging Methods 0.000 claims description 12
- 238000000859 sublimation Methods 0.000 abstract description 13
- 230000008022 sublimation Effects 0.000 abstract description 13
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Classifications
-
- G06T5/75—
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/20—Image enhancement or restoration by the use of local operators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/409—Edge or detail enhancement; Noise or error suppression
- H04N1/4092—Edge or detail enhancement
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2-96099 | 1990-04-10 | ||
JP2096099A JP2574923B2 (en) | 1990-04-10 | 1990-04-10 | Outline enhancement method and image processing device |
Publications (1)
Publication Number | Publication Date |
---|---|
US5220624A true US5220624A (en) | 1993-06-15 |
Family
ID=14155946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/673,653 Expired - Fee Related US5220624A (en) | 1990-04-10 | 1991-03-21 | Apparatus for reading images and method for enhancing the outlines of shapes |
Country Status (4)
Country | Link |
---|---|
US (1) | US5220624A (en) |
EP (1) | EP0451579B1 (en) |
JP (1) | JP2574923B2 (en) |
DE (1) | DE69111660T2 (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5446503A (en) * | 1994-04-11 | 1995-08-29 | Mitsubishi Semiconductor America, Inc. | Vertical detail enhancement with stepped return coring |
US5583659A (en) * | 1994-11-10 | 1996-12-10 | Eastman Kodak Company | Multi-windowing technique for thresholding an image using local image properties |
US5867606A (en) * | 1997-08-12 | 1999-02-02 | Hewlett-Packard Company | Apparatus and method for determining the appropriate amount of sharpening for an image |
US5969754A (en) * | 1996-12-09 | 1999-10-19 | Zeman; Herbert D. | Contrast enhancing illuminator |
US6665448B1 (en) * | 2000-09-29 | 2003-12-16 | Hewlett-Packard Development Company, L.P. | Selective smoothing and sharpening of images by generalized unsharp masking |
US6667815B1 (en) * | 1998-09-30 | 2003-12-23 | Fuji Photo Film Co., Ltd. | Method and apparatus for processing images |
US20060110061A1 (en) * | 2000-11-30 | 2006-05-25 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, storage medium, and program |
US20060171601A1 (en) * | 2000-11-30 | 2006-08-03 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, storage medium, and program |
US20070097342A1 (en) * | 2005-09-02 | 2007-05-03 | Canon Kabushiki Kaisha | Exposure apparatus and method, and device manufacturing method |
US20100033682A1 (en) * | 2008-08-08 | 2010-02-11 | Disney Enterprises, Inc. | High dynamic range scenographic image projection |
US9754358B1 (en) * | 2015-09-21 | 2017-09-05 | Rockwell Collins, Inc. | Image content enhancement generating and presenting system, device, and method |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0505200A3 (en) * | 1991-03-20 | 1993-12-01 | Fujitsu Ltd | Radiographic image processing method wherein small variation of density is selectively made clear |
US5481375A (en) * | 1992-10-08 | 1996-01-02 | Sharp Kabushiki Kaisha | Joint-portion processing device for image data in an image-forming apparatus |
US5452105A (en) * | 1992-11-19 | 1995-09-19 | Sharp Kabushiki Kaisha | Joint-portion processing device for image data for use in an image processing apparatus |
GB9311943D0 (en) * | 1993-06-09 | 1993-07-28 | Kodak Ltd | A method of processing a digital detail signal |
JP3635194B2 (en) | 1997-09-09 | 2005-04-06 | アルプス電気株式会社 | Secondary differential value image reconstruction processing method, image contour enhancement processing method based on the reconstruction processing method, and thermal transfer printer for performing recording based on the contour enhancement processing method |
US6549678B1 (en) * | 1999-01-29 | 2003-04-15 | Eastman Kodak Company | Method for preserving spatial detail when applying a multidimensional tonal transform to a digital color image |
GB2396458B (en) * | 1999-11-05 | 2004-08-18 | Superscape Group Plc | Program provision in image enhancement |
JP4539674B2 (en) * | 2007-04-04 | 2010-09-08 | パナソニック株式会社 | Image processing apparatus, image processing method, and processor used for image processing |
Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5188120A (en) * | 1975-01-31 | 1976-08-02 | ||
JPS5231615A (en) * | 1975-09-04 | 1977-03-10 | Matsushita Electric Ind Co Ltd | Contour compensation circuit |
JPS53140101A (en) * | 1977-05-12 | 1978-12-06 | Dainippon Screen Mfg | Method for emphasizing figure analysis power for use in device for scanning and recording figure |
JPS55146451A (en) * | 1979-05-02 | 1980-11-14 | Dainippon Screen Mfg Co Ltd | Sharpness emphasis method in image scanning recorder |
US4315318A (en) * | 1978-12-26 | 1982-02-09 | Fuji Photo Film Co., Ltd. | Method and apparatus for processing a radiation image |
US4317179A (en) * | 1978-12-26 | 1982-02-23 | Fuji Photo Film Co., Ltd. | Method and apparatus for processing a radiographic image |
US4387428A (en) * | 1979-12-25 | 1983-06-07 | Fuji Photo Film Co., Ltd. | Method of and apparatus for processing a radiation image |
US4591923A (en) * | 1983-09-05 | 1986-05-27 | Fuji Photo Film Co., Ltd. | Method and apparatus for intensifying sharpness of picture images |
JPS6262664A (en) * | 1985-09-12 | 1987-03-19 | Dainippon Screen Mfg Co Ltd | Forming method for sharpness emphasizing signal |
US4672463A (en) * | 1985-04-05 | 1987-06-09 | Dainippon Screen Mfg. Co., Ltd. | Method for emphasizing sharpness in picture scanning recording time in a picture reproducing machine |
JPS6336185A (en) * | 1986-07-29 | 1988-02-16 | Citizen Watch Co Ltd | Digital electronic timepiece with goniometer |
US4747052A (en) * | 1984-11-14 | 1988-05-24 | Philips Medical Systems, Inc. | Radiation image processing |
US4794531A (en) * | 1984-11-07 | 1988-12-27 | Hitachi, Ltd | Unsharp masking for image enhancement |
US4844288A (en) * | 1983-02-02 | 1989-07-04 | Dainippon Screen Seizo Kabushiki Kaisha | Reproduction picture sharpness emphasizing method and apparatus |
US4868671A (en) * | 1986-12-19 | 1989-09-19 | Dainippon Screen Mfg. Co., Ltd. | Method of and apparatus for noise reduction in multi-gradation image signal in halftone image reader |
US4941190A (en) * | 1988-07-15 | 1990-07-10 | Minnesota Mining And Manufacturing Company | Method and system for enhancement of a digitized image |
US4972256A (en) * | 1988-02-05 | 1990-11-20 | Dainippon Screen Mfg. Co., Ltd. | Method of enhancing image sharpness for image reproduction using sharp/unsharp signal processing |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58182957A (en) * | 1982-04-20 | 1983-10-26 | Fuji Photo Film Co Ltd | Sharpness emphasizing system for picture |
US4638369A (en) * | 1984-09-04 | 1987-01-20 | Xerox Corporation | Edge extraction technique |
JPS61173526A (en) * | 1985-01-28 | 1986-08-05 | Konishiroku Photo Ind Co Ltd | Binary coding method of image data |
JPS6289173A (en) * | 1985-10-15 | 1987-04-23 | Fuji Photo Film Co Ltd | Medical picture information display method and its device |
DE3629409C2 (en) * | 1986-08-29 | 1994-02-17 | Agfa Gevaert Ag | Method and device for contrast evaluation in electronic image processing |
JPS63209370A (en) * | 1987-02-26 | 1988-08-30 | Matsushita Electric Ind Co Ltd | Image signal processor |
-
1990
- 1990-04-10 JP JP2096099A patent/JP2574923B2/en not_active Expired - Fee Related
-
1991
- 1991-03-21 US US07/673,653 patent/US5220624A/en not_active Expired - Fee Related
- 1991-03-22 DE DE69111660T patent/DE69111660T2/en not_active Expired - Fee Related
- 1991-03-22 EP EP91104552A patent/EP0451579B1/en not_active Expired - Lifetime
Patent Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5188120A (en) * | 1975-01-31 | 1976-08-02 | ||
JPS5231615A (en) * | 1975-09-04 | 1977-03-10 | Matsushita Electric Ind Co Ltd | Contour compensation circuit |
JPS53140101A (en) * | 1977-05-12 | 1978-12-06 | Dainippon Screen Mfg | Method for emphasizing figure analysis power for use in device for scanning and recording figure |
US4315318A (en) * | 1978-12-26 | 1982-02-09 | Fuji Photo Film Co., Ltd. | Method and apparatus for processing a radiation image |
US4317179A (en) * | 1978-12-26 | 1982-02-23 | Fuji Photo Film Co., Ltd. | Method and apparatus for processing a radiographic image |
JPS55146451A (en) * | 1979-05-02 | 1980-11-14 | Dainippon Screen Mfg Co Ltd | Sharpness emphasis method in image scanning recorder |
US4387428A (en) * | 1979-12-25 | 1983-06-07 | Fuji Photo Film Co., Ltd. | Method of and apparatus for processing a radiation image |
US4844288A (en) * | 1983-02-02 | 1989-07-04 | Dainippon Screen Seizo Kabushiki Kaisha | Reproduction picture sharpness emphasizing method and apparatus |
US4591923A (en) * | 1983-09-05 | 1986-05-27 | Fuji Photo Film Co., Ltd. | Method and apparatus for intensifying sharpness of picture images |
US4794531A (en) * | 1984-11-07 | 1988-12-27 | Hitachi, Ltd | Unsharp masking for image enhancement |
US4747052A (en) * | 1984-11-14 | 1988-05-24 | Philips Medical Systems, Inc. | Radiation image processing |
US4672463A (en) * | 1985-04-05 | 1987-06-09 | Dainippon Screen Mfg. Co., Ltd. | Method for emphasizing sharpness in picture scanning recording time in a picture reproducing machine |
JPS6262664A (en) * | 1985-09-12 | 1987-03-19 | Dainippon Screen Mfg Co Ltd | Forming method for sharpness emphasizing signal |
JPS6336185A (en) * | 1986-07-29 | 1988-02-16 | Citizen Watch Co Ltd | Digital electronic timepiece with goniometer |
US4868671A (en) * | 1986-12-19 | 1989-09-19 | Dainippon Screen Mfg. Co., Ltd. | Method of and apparatus for noise reduction in multi-gradation image signal in halftone image reader |
US4972256A (en) * | 1988-02-05 | 1990-11-20 | Dainippon Screen Mfg. Co., Ltd. | Method of enhancing image sharpness for image reproduction using sharp/unsharp signal processing |
US4941190A (en) * | 1988-07-15 | 1990-07-10 | Minnesota Mining And Manufacturing Company | Method and system for enhancement of a digitized image |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5446503A (en) * | 1994-04-11 | 1995-08-29 | Mitsubishi Semiconductor America, Inc. | Vertical detail enhancement with stepped return coring |
US5583659A (en) * | 1994-11-10 | 1996-12-10 | Eastman Kodak Company | Multi-windowing technique for thresholding an image using local image properties |
US5969754A (en) * | 1996-12-09 | 1999-10-19 | Zeman; Herbert D. | Contrast enhancing illuminator |
US5867606A (en) * | 1997-08-12 | 1999-02-02 | Hewlett-Packard Company | Apparatus and method for determining the appropriate amount of sharpening for an image |
US6667815B1 (en) * | 1998-09-30 | 2003-12-23 | Fuji Photo Film Co., Ltd. | Method and apparatus for processing images |
US6665448B1 (en) * | 2000-09-29 | 2003-12-16 | Hewlett-Packard Development Company, L.P. | Selective smoothing and sharpening of images by generalized unsharp masking |
US20040071360A1 (en) * | 2000-09-29 | 2004-04-15 | Maurer Ron P. | Selective smoothing and sharpening of images by generalized unsharp masking |
US6980696B2 (en) * | 2000-09-29 | 2005-12-27 | Hewlett-Packard Development Company, L.P. | Selective smoothing and sharpening of images by generalized unsharp masking |
US7558434B2 (en) | 2000-11-30 | 2009-07-07 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, storage medium, and program |
US20060110061A1 (en) * | 2000-11-30 | 2006-05-25 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, storage medium, and program |
US7561750B2 (en) | 2000-11-30 | 2009-07-14 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, storage medium, and program |
US7248748B2 (en) | 2000-11-30 | 2007-07-24 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, storage medium, and program |
US20070188785A1 (en) * | 2000-11-30 | 2007-08-16 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, storage medium, and program |
US20070189391A1 (en) * | 2000-11-30 | 2007-08-16 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, storage medium, and program |
US7447376B2 (en) | 2000-11-30 | 2008-11-04 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, storage medium, and program |
US20060171601A1 (en) * | 2000-11-30 | 2006-08-03 | Canon Kabushiki Kaisha | Image processing apparatus, image processing method, storage medium, and program |
US20070097342A1 (en) * | 2005-09-02 | 2007-05-03 | Canon Kabushiki Kaisha | Exposure apparatus and method, and device manufacturing method |
US7724348B2 (en) | 2005-09-02 | 2010-05-25 | Canon Kabushiki Kaisha | Exposure apparatus and method, and device manufacturing method |
US20100033682A1 (en) * | 2008-08-08 | 2010-02-11 | Disney Enterprises, Inc. | High dynamic range scenographic image projection |
US8231225B2 (en) * | 2008-08-08 | 2012-07-31 | Disney Enterprises, Inc. | High dynamic range scenographic image projection |
US8845108B2 (en) | 2008-08-08 | 2014-09-30 | Disney Enterprises, Inc. | High dynamic range scenographic image projection |
US9754358B1 (en) * | 2015-09-21 | 2017-09-05 | Rockwell Collins, Inc. | Image content enhancement generating and presenting system, device, and method |
Also Published As
Publication number | Publication date |
---|---|
DE69111660T2 (en) | 1996-04-18 |
JP2574923B2 (en) | 1997-01-22 |
JPH03293864A (en) | 1991-12-25 |
EP0451579A3 (en) | 1992-07-01 |
EP0451579B1 (en) | 1995-08-02 |
DE69111660D1 (en) | 1995-09-07 |
EP0451579A2 (en) | 1991-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: CIRCLE AW PRODUCTS COMPANY, 13885 S.W. 72ND AVENUE Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:SECURITY PACIFIC BUSINESS CREDIT INC.;REEL/FRAME:005646/0692 Effective date: 19901227 |
|
AS | Assignment |
Owner name: DAINIPPON SCREEN MFG. CO., LTD., 1-1, TENJINKITAMA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:SAKAMOTO, TAKASHI;HIROSAWA, MAKOTO;REEL/FRAME:005660/0970 Effective date: 19910228 |
|
AS | Assignment |
Owner name: DAINIPPON SCREEN MFG. CO., LTD., JAPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:SAKAMOTO, TAKASHI;HIROSAWA, MAKOTO;REEL/FRAME:005829/0329 Effective date: 19910827 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
REMI | Maintenance fee reminder mailed | ||
LAPS | Lapse for failure to pay maintenance fees | ||
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
|
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 20050615 |